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%I #14 Oct 16 2019 11:28:05
%S 36,156,306,546,576,606,726,1236,1296,1626,1656,2616,2706,3036,3186,
%T 3606,3696,4566,5166,5556,6216,6966,7296,7536,7866,8286,9156,10176,
%U 10266,10596,11496,14406,16086,16416,16746,18396,18636,18786,19476
%N Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,15.
%C am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1).
%D Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27 2001.
%H Amiram Eldar, <a href="/A064244/b064244.txt">Table of n, a(n) for n = 1..10000</a>
%t CarmichaelNbrQ[n_] := ! PrimeQ@ n && Mod[n, CarmichaelLambda@ n] == 1; Select[ Range@ 20000, PrimeQ[# + 1] && PrimeQ[2# + 1] && PrimeQ[15# + 1] && CarmichaelNbrQ[(# + 1)(2# + 1)(15# + 1)] &] (* _Robert G. Wilson v_, Aug 23 2012 *)
%Y Cf. A087788.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Sep 23 2001
%E Offset corrected by _Amiram Eldar_, Oct 16 2019
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